RESULTS

(4)

FILTER

DISEASE: Ash yellows

HOST: Ash

Ash sapling with basal sprouts and chlorotic leaves.

Ash yellows | Ash

DISEASE: Ash yellows

HOST: Ash (Fraxinus pennsylvanica)

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: W. Sinclair

DISEASE: Bacterial blast and black pit

HOST: Citrus (Lemon)

The term "black pit" refers to black lesions on fruit, which may be specks or large, sunken pits as seen here. They also may be light tan, later becoming reddish brown to black.

Bacterial blast and black pit | Citrus (Lemon)

DISEASE: Bacterial blast and black pit

HOST: Citrus (Lemon) (Citrus limon)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: J. Menge

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Clover

Leafy gall on stem.

Bacterial fasciation (Leafy gall) | Clover

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Clover (Melilotus officinalis)

PATHOGEN: Rhodococcus fascians

SOURCE: H. van Hoof, M. Geesteranus

DISEASE: Citrus canker

HOST: Citrus (Lemon)

Lower leaf with raised, corkylike lesions surrounded by dark brown halos, one of the diagnostic symptoms of citrus canker.

Citrus canker | Citrus (Lemon)

DISEASE: Citrus canker

HOST: Citrus (Lemon) (Citrus limon)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: T. Gottwald